Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345618 | Arrangement for the regulation of the height of a liquid level | Josef Altman | 1982-08-24 |
| 4292259 | Arrangement for sucking-off gases | Josef Altmann | 1981-09-29 |
| 4202367 | Circuit arrangement for regulating the level of liquid in vessels | Josef Altmann | 1980-05-13 |